ERA exploits a variety of sensor technologies for security applications. Working in conjunction with customers, ERA identifies suitable technologies and provides prototype systems to meet their requirements. We can then undertake the full engineering project leading to fully engineered and installed security systems.

ERA's expertise covers radar (including ultra-wideband), electromagnetic, infra-red, optical, visual and acoustic technologies. We can also provide independent consultancy and advice on the selection of suitable security technology and solutions. Some commonly used technologies are:

	Millimetre wave imaging, which detects radiation reflected from concealed weapons and contraband. It can be used at passenger security checkpoints at airports as conveniently as X-ray screening of baggage, but no radiation risk.
	Passive RF sensors, which use microwave radiometers to detect RF energy emitted or reflected from objects. This technology is particularly useful for detecting flush-buried mines in situations where covert operation is essential.
	Nuclear quadrupole resonance sensors, which can detect and identify various types of explosive material. ERA is developing of state of the art hardware and signal processing techniques for both hand-held detectors as well as the large NQR systems for vehicle inspection.

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